<div class="booksPage">
    <div class="signBook">
        <div class="book" [ngClass]="{'opened': bookOpened}">
            <img src="../../../../assets/imgs/signBook.png" class="bg" [ngClass]="{'opened': imgOpened}">
            <div #signContent class="signContent" [ngClass]="{'opened': signContentOpened}">
                <div #signList class="signList" [ngClass]="{'stoped': signListStoped}"
                    [style]="{ 'left.px': signListLeft, 'transitionDuration.s': msgList.length / 1.4 }"
                    (onTransitionend)="transitionend()">
                    <div class="signListWrap"></div>
                </div>
            </div>
        </div>
    </div>
</div>